單項(xiàng)選擇題What is NOT an advantage of the rhumb line track over a great circle track? ()

A.Easily plotted on a Mercator chart
B.Negligible increase in distance on east-west courses near the equator
C.Does not require constant course changes
D.Plots as a straight line on Lambert conformal charts


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1.單項(xiàng)選擇題What information is NOT found in the chart title? ()

A.Survey information
B.Scale
C.Date of first edition
D.Projection

2.單項(xiàng)選擇題What information is found in the chart title? ()

A.Date of the first edition
B.Date of the edition and,if applicable,the revision
C.Information on the sounding datum
D.Information on which IALA buoyage system applies

3.單項(xiàng)選擇題What defines a great circle? ()

A.A curved line drawn on a Mercator Chart
B.A course line that inscribes a loxodromic curve
C.The shortest distance between any two points on the earth
D.The smallest circle that can be drawn on the face of a sphere

4.單項(xiàng)選擇題The survey information upon which a chart is based is found ().

A.at the top center of the next line
B.near the chart title
C.at the lower left corner
D.at any convenient location

5.單項(xiàng)選擇題The soundings on the chart are based on the depth of water available at ().

A.mean low water
B.mean lower low water
C.mean high water
D.mean high water springs